Numerade

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11. (12 points) Give the product(s) of each of the following reactions, noting stereochemistry of reactants and products where possible. (a) 1. $OSO_4$, NMO 2. $Na_2Cr_2O_7$, $H_3O^+$ 3. NaOH (b) 1. TsCl 2. NaF in propanol 3. Ο ΟΗ KO (c) 1. $Cl_2$, h$\nu$ 2. KOt-Bu 3. $Br_2$, BuOH (d) 1. NaH 2. $CH_3CH_2OTf$ 3. Na, $NH_3$ 4. $Hg(OAc)_2$, $H_2O$/THF 5. $NaBH_4$ 6. Dess-Martin Oxidation

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Question 03: Consider two scenarios below: - A circuit-switching scenario in which Ncs users, each requiring a bandwidth of 20 Mbps, must share a link of capacity 150 Mbps. - A packet-switching scenario with Nps users sharing a 150 Mbps link, where each user again requires 20 Mbps when transmitting, but only needs to transmit 10 percent of the time. When circuit switching is used, what is the maximum number of users that can be supported? 1. Suppose packet switching is used. If there are 13 packet-switching users, can this many users be supported under circuit-switching? Yes or No. 2. Suppose packet switching is used. What is the probability that a given (specific) user is transmitting, and the remaining users are not transmitting? 3. Suppose packet switching is used. What is the probability that one user (any one among the 13 users) is transmitting, and the remaining users are not transmitting? 4. When one user is transmitting, what fraction of the link capacity will be used by this user? Write your answer as a decimal. 5. What is the probability that any 5 users (of the total 13 users) are transmitting and the remaining users are not transmitting? 6. What is the probability that more than 7 users are transmitting?

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For the system shown in figure below determine the equation of motion using the principle of Virtual work. Hence find the natural frequency of vibration. 10 M

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Consider the following problem The difference between eight times a number and 9 is equal to four times the sum of the number and 2. Find the number x represents the number, which equation is correct for solving the problem?

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CVE1501 Assessment 1_2024 Analyse the following statements and conclude if they are valid or not valid in terms of Engineering contracts and South African Law. 4.1 The basis of a contract is that one must honour ones promise in all instances. 4.2 The law of obligation must form part of the law of contracts. 4.3 An agreement that creates an obligation is considered as a contract. 4.4 Social agreements can form a contract if the parties agree on such. 4.5 Only written agreements form a contract. (2) (2) (2) (2) (2) 4.6 Agreements must comply with certain requirements in order for them to be validated as contracts. (2) 4.7 It is not a must for contracts to always have two different parties, one can contract themselves as well. (2) 4.8 The offer can be tentative, especially if the scope of the work is not known. (2) 4.9 Once the two parties sign the contract, there is no turning back, even if the other party interferes with other partys rights. (2) 4.10 Requesting a quotation form a supplier is the same as placing an offer to that supplier. (2) [20 Marks] TOTAL = 40 MARKS Unisa 2024 3

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f(x) = x^4 - 49x^2 - 102x - 144

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Select all that apply All business managers need a basic understanding of hypothesis testing because ? they must make decisions based on statistical evidence. ? they often interact with specialists. ? they will be required to pass a test on statistics before being promoted. ? they are required to read and understand technical reports.

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In the shown circuit, i1F(t) = 4? 2A 12 ? 4? i=0 +VL 3.5 H a. 0.857A b. 0.176 A c. 0.459 A d. 0 A

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Which of the following are examples of personal protective equipment (PPE)?

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Question: Think of a situation(s) that you are familiar that would have benefited from more intergroup conflict. How could additional conflict have improved the situation? Include a brief description of the situation. If you can't think of one personally, you can use examples you've seen or read about, except the ones in the textbook.

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rocio w.